A Critical Look at "A Critical Look at MCP."

I came across this post shortly after finishing support for the HTTP Streaming transport on mcp.run. After a week or so of banging my head against the matrix of OAuth RFC support and client transport support, I should be in a sympathetic frame of mind to receive a critique of the protocol. And yet! Here I am, defending MCP. After all, the good that interfaces do oft lay interred with their blemishes. And MCP has blemishes. But I don't think we're in agreement about what they are, and where they pose actual danger to the value that MCP creates. First, a bit about mcp.run, to level-set. (And, well, because it's business that sells goods and services -- and, not to put too fine a point on it, one which employs me.) mcp.run is a website that lets you build your own MCP server combined out of a number of other MCP servers. Those servers might be remote connections or they might be written in Wasm and run on your computer, or a combination of the two. Our goal is to make it easier for bu ... Read full article.